Draper Tools 23311 Instructions

BRAKE PIPE
FLARING

Version 2 – January 2023

EN

Original Instructions

SLIDER KIT

23311 – BPF/PRO/SLIDER INSTRUCTIONS FOR USE

Read this manual in full before using this product and retain it for future use. Always use the latest version of
the manual. Please visit drapertools.com/manuals for the latest version.

1. Intended Use

This product is designed to are brake pipes of 3 ⁄ 16"

and 4.75mm according to SAE Convex, DIN Convex
and SAE Double standards. Any other application
beyond the conditions established for use will be
considered misuse. Draper Tools accepts no
responsibility for improper use of this product.

Important: Ensure that you are familiar with the

various types of ares and their applications before

using this product. ALWAY S consult the vehicle
manufacturer’s instructions before use.

WARNING! Keep your hands clear of moving
parts, clamps and punches while using this
product and keep long hair and jewellery
tied back.

2. What’s in the Box?

(A)

(E2)

(E1)

(D) (C)

(B)

3. Operating Instructions

1. Clamp the base of the tool into a suitable
bench-mounted vice and screw the press lever

(B) into the lever socket (1).

2. Fully loosen the die clamp lever (2) and swing

the die clamp (3) open.

(2) (3)

(4)

1 Fig.

3. Use 6. Flaring Reference Chart to determine the
correct die and punches for the required are.

4. Clean the die of grease and place the two parts

horizontally into the die socket (4) with the

required mould directed towards the slider
mount (5).

(B)

(1)

A. 1 × Flaring tool assembly
B. 1 × Press lever
C. 1 × 3 ⁄ 16" (4.75mm) SAE punch slider
D. 1 × 4.75mm DIN punch slider
E. 1 × 3 ⁄ 16" combi die
E1. 3 ⁄ 16" (4.75mm) SAE die

E2. 4.75mm DIN die

(6)

(E)

(6)

2 Fig.

Important: Ensure that both parts of the die are

in contact with the die stops (6).

(E) (5)

5. Prepare the brake pipe; see 4. Preparing the
Brake Pipe.

6. Ensure that the tube nut (7) (not supplied) is
installed onto the brake pipe (8), then lightly
lubricate the end of the brake pipe using brake
uid or an appropriate oil and insert it through

the rear of the die.

(8)

Important: Ensure that the end of the pipe is

ush with the face of the die.

7. Close the die clamp (3) and tighten the die clamp
lever (2) to secure the die in position.
Important: The die clamp must be very tight to
prevent the die and pipe from moving during the
operation. After tightening, ensure that the die
and pipe are correctly positioned.

8. Insert the appropriate punch slider (C) (D) into the
slider mount (5) with the required OP. 1 punch
facing towards and directly in line with the pipe.

(7)

3 Fig.

9. Pull the press lever (9) to engage the punch with

the end of the pipe until rm resistance is felt,

then return the lever to its original position.

(9)

5 Fig.

10. If the chart identies a second operation
required for the are (SAE Double ares only),

move the slider so that the OP. 2 punch is
aligned with the pipe and pull the press lever to

apply the are.

11. Return the press lever (9) to its original position,

then loosen the die clamp lever (2) and open the

die clamp (3).

(9)

(3)

(2)

(C/D)

(7)

(3)(2)

4 Fig.

Important: The punch number identied in the

chart (see 6. Flaring Reference Chart)
corresponds with the number at the top of the
punch slider label.

6 Fig.

12. Remove the die from the die socket and extract

the pipe from the die. If necessary, tap the die
gently on a suitable surface to release the pie
from the die.

13. Check the quality of the are to ensure that the

pipe did not move during the operation and
blow any residual debris from the pipe.

– 2 –– 2 –

4. Preparing the Brake Pipe

5. Product Care and Disposal

Important: ALWAYS ensure that the brake pipe is
correctly prepared before aring.

•  The end of the pipe MUST be cut square.

•  The outside edge of the pipe must be

champfered by approximately 0.25mm at 45°.

•  The bore of the pipe must be deburred.

•  If the pipe is plastic-coated, remove at least
3mm from the end of the pipe to be ared,

ensuring that the pipe is not scored and that no
metal is removed while doing so.

Important: DO NOT use an abrasive cloth on the end

of the brake pipe to be ared.

•  Clean the product of any dust or debris before

and after each use.

•  Replace any punch that shows signs of damage
or excessive wear.

•  Keep the inner faces of the die lubricated when
not in use to avoid corrosion.

− Wipe the die clean of any oil before use to
prevent the die from slipping while it is in the
clamp.

•  Remove all dies from the die clamp and loosen
all joints before storing the product.

•  Before storing the product, wipe it thoroughly
with a lightly oiled cloth to prevent corrosion of
the exposed metal parts.

•  Store the product in a clean and dry
environment, out of reach of children.

•  At the end of its working life, dispose of the

product responsibly and in line with local

regulations; recycle where possible.

6. Flaring Reference Chart

Flare type Pipe diameter OP.1 punch OP. 2 punch Die

SAE Convex 3 ⁄ 16" 1 N/A 3 ⁄ 16" SAE (E1)

Die part

reference

113°–117° DIN Convex 4.75mm 6 N/A 4.75mm DIN (E2)

SAE Double 3 ⁄ 16" 1 7 3 ⁄ 16” SAE (E1)

4.75mm 1 7 3 ⁄ 16” SAE (E1)

– 3 –

7. Explanation of Symbols

Suitable for DIN Convex ares

Suitable for SAE Double ares

Suitable for SAE Convex ares

Read the instruction manual

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Draper Tools Limited, Hursley Road, Chandler’s Ford, Eastleigh, Hampshire, SO53 1YF, UK 0123